全网唯一标准王
SY-T 0055-2003 长距离输油输气管道测量规范
ISO 24218-1 2023 Fine bubble technology — Characterization of fine bubbles — Part 1 Evaluation of size and concentration indices by laser diffraction method.pdfISO 14269-5 1997 Tractors and self-propelled machines for agriculture and forestry — Operator enclosure environment — Part 5 Pressurization system test method.pdfISO 6993-3 2006 Buried high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels Part 3 Fittings and saddles for a maximum operating pressure of 1 bar (100 kPa).pdfISO 18079-1 2018 Ships and marine technology — Servicing of inflatable life-saving appliances — Part 1 General.pdfISO TS 18507 2015 Surface chemical analysis — Use of Total Reflection X-ray Fluorescence spectroscopy in biological and environmental analysis.pdfISO 14966 2019 Ambient air — Determination of numerical concentration of inorganic.pdfISO 20608 2018 Dentistry — Powder jet handpieces and powders.pdfISO 15242-1 2015 Rolling bearings — Measuring methods for vibration — Part 1 Fundamentals.pdfISO 18400-203 2018 Soil quality — Sampling — Part 20 Investigation of potentially contaminated sites.pdfISO 10303-511 2001 Industrial automation systems and integration Product data representation and exchange Part 511 Application interpreted construct Topologically bounded surface.pdfGB-T 15251-2008 橡胶 游离硫的测定.pdfGB-T 2039-2024 金属材料 单轴拉伸蠕变试验方法.pdfGB-T 649-1999 化学试剂 溴化钾.pdfGB-T 13252-2008 包装容器 钢提桶.pdfGB-T 1558-2009 硅中代位碳原子含量 红外吸收测量方法.pdfGB-T 12543-2009 汽车加速性能试验方法.pdfGB-T 465.2-2008 纸和纸板 浸水后抗张强度的测定.pdfGB-T 5195.19-2018 萤石 砷含量的测定 二乙基二硫代氨基甲酸银光度法.pdfGB-T 32259-2015 焊缝无损检测 熔焊接头目视检测.pdfGB-T 3597-2002 肥料中硝态氮含量的测定 氮试剂重量法.pdf
